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manual abstract
These instructions must be affixed on or adjacent to the boiler. This symbol ® indicates a change since the last issue. MODEL BW3 A95465 Index Page SAFETY CONSIDERATIONS.....................................................................................................................................................................................2 INTRODUCTION..........................................................................................................................................................................................................3 BOILER RATINGS AND CAPACITIES.................................................................................................................................................................3-4 LOCATING THE BOILER .......................................................................................................................................................................................4-5 FRESH AIR FOR COMBUSTION...........................................................................................................................................................................5-6 Boiler Located in Unconfined Space.......................................................................................................................................................................5 Boiler Located in Confined Space .......................................................................................................................................................................5-6 INSTALLATION—SYSTEM PIPING .....................................................................................................................................................................6-7 For Use with Cooling Units.....................................................................................................................................................................................7 Low Design Water Temperature Systems (Below 140°F) .....................................................................................................................................7 Form: IM-BW3A-05 Cancels: IM-BW3A-04 Printed in U.S.A. 8-99 Catalog No. 63BW-3A1 CHIMNEY AND VENT PIPE CONNECTION .......................................................................................................................................................7-9 Checking Chimney....................................................................................................................................................................................................8 Minimum Vent Pipe Clearance................................................................................................................................................................................8 Removing Existing Boiler from Common Venting System....................................................................................................................................9 OPTIONAL HORIZONTAL VENTING WITH POWER VENTER ....................................................................................................................9-10 GAS SUPPLY PIPING ..........................................................................................................................................................................................10-11 Checking Gas Supply .............................................................................................................................................................................................10 Connecting Gas Piping......................................................................................................................................................................................10-11 Checking Gas Piping ..............................................................................................................................................................................................11 ELECTRICAL WIRING..............................................................................................................................................................................................12 Electric Power Supply ............................................................................................................................................................................................11 Installing Thermostat ..............................................................................................................................................................................................11 Wiring Diagram ......................................................................................................................................................................................................12 SEQUENCE OF OPERATION..............................................................................
Other models in this manual:Water Heaters - Series B (342.51 kb)